[kostyanet]

Код

'crossfade':function(img) {
			
				this.title.innerHTML=img.dataset.title;
				this.image2.style.opacity=1;
				this.image.style.opacity=0;
				this.image.src = img.src;
	
				this.interval=window.setInterval((function(){
				
					var opacity = this.image.style.opacity*100;

					opacity+=20;
					
					if(opacity >= 100) {
						window.clearInterval(this.interval);
						this.interval=null;
						this.image.style.opacity=1;
						this.image2.style.opacity=0;
					}
					else {
						this.image.style.opacity=opacity/100;
						this.image2.style.opacity=1-(opacity/100);
					}
					
				}).bind(this),10);
			
			}